Home / 72,562,629.07-100,136,409.20-39,967,581.07

Finding the Fourth Proportional to 72,562,629.07, 100,136,409.20 and 39,967,581.07

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Solution

The fourth proportional to 72,562,629.07, 100,136,409.20 and 39,967,581.07 is: 55,155,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562,629.07 : 100,136,409.20 = 39,967,581.07 : x
  2. Step 2: Convert to fraction form
    72,562,629.07/100,136,409.20 = 39,967,581.07/x
  3. Step 3: Cross multiply
    72,562,629.07x = 100,136,409.20 × 39,967,581.07
  4. Step 4: Simplify right side
    72,562,629.07x = 4,002,210,052,759,694
  5. Step 5: Solve for x
    x = 4,002,210,052,759,694/72,562,629.07
  6. Step 6: Final answer
    x = 55,155,251.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.